Source : Webster's Revised Unabridged Dictionary (1913)

Obfuscate \Ob*fus"cate\, v. t. [imp. & p. p. {Obfuscated}; p.
   pr. & vb. n. {Obfuscating}.]
   To darken; to obscure; to becloud; hence, to confuse; to
   bewilder.

         His head, like a smokejack, the funnel unswept, and the
         ideas whirling round and round about in it, all
         obfuscated and darkened over with fuliginous matter.
                                                  --Sterne.

         Clouds of passion which might obfuscate the intellects
         of meaner females.                       --Sir. W.
                                                  Scott.

Obfuscate \Ob*fus"cate\, a. [L. obfuscatus, p. p. of obfuscare
   to darken; ob (see {Ob-}) + fuscare, fuscatum, to darken,
   from fuscus dark.]
   Obfuscated; darkened; obscured. [Obs.] [Written also
   {offuscate}.] --Sir. T. Elyot.

Source : WordNet®

obfuscate
     v : make obscure or unclear [ant: {clarify}]